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transmission

American  
[trans-mish-uhn, tranz-] / trænsˈmɪʃ ən, trænz- /

noun

  1. the act or process of transmitting.

    Synonyms:
    conveyance, passing, passage, transfer
  2. the fact of being transmitted.

    Synonyms:
    conveyance, passing, passage, transfer
  3. something that is transmitted.

  4. Machinery.

    1. transference of force between machines or mechanisms, often with changes of torque and speed.

    2. a compact, enclosed unit of gears or the like for this purpose, as in an automobile.

  5. Radio and Television. the broadcasting of electromagnetic waves from one location to another, as from a transmitter to a receiver.

  6. Physics. transmittance.


transmission British  
/ trænzˈmɪʃən /

noun

  1. the act or process of transmitting

  2. something that is transmitted

  3. the extent to which a body or medium transmits light, sound, or some other form of energy

  4. the transference of motive force or power

  5. a system of shafts, gears, torque converters, etc, that transmits power, esp the arrangement of such parts that transmits the power of the engine to the driving wheels of a motor vehicle

  6. the act or process of sending a message, picture, or other information from one location to one or more other locations by means of radio waves, electrical signals, light signals, etc

  7. a radio or television broadcast

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • nontransmission noun
  • pretransmission noun
  • retransmission noun
  • transmissibility noun
  • transmissible adjective
  • transmissive adjective
  • transmissively adverb
  • transmissiveness noun
  • untransmissive adjective

Etymology

Origin of transmission

1605–15; < Latin trānsmissiōn- (stem of trānsmissiō ) a sending across, equivalent to trānsmiss ( us ) (past participle of trānsmittere to send across) + -iōn- -ion. See trans-, mission

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Investigators found that the fire was ignited when equipment failed on a decades-old PG&E transmission line.

From Los Angeles Times • Apr. 9, 2026

Hyperscalers can order servers and deploy them quickly, but the transformer that steps down high-voltage transmission to usable power cannot be rushed.

From MarketWatch • Apr. 8, 2026

According to the World Health Organization, climate change -- through increased rainfall, temperatures and humidity -- can in some cases accelerate malaria transmission by enabling mosquitoes to breed faster.

From Barron's • Apr. 8, 2026

Kenanga maintains an overweight rating on Malaysia’s utilities sector, pegging Tenaga Nasional as its top pick, given the company’s exposure to demand growth as well as higher investment in transmission and distribution.

From The Wall Street Journal • Apr. 7, 2026

He switches to a second frequency and repeats the transmission.

From "All the Light We Cannot See" by Anthony Doerr